With sports water filter bottles, still need to choose safe water

　　Water at any time is very precious, outdoor sports because of the weight, can only carry a certain amount of water, therefore, how the outdoor water is the most concern of the masses of fans. A sport water filter bottle, but also know how to get water. According to animals to look for water, the shallow groundwater, soil moisture, ants, snails and other like to do in the nest, in the winter, frogs, snakes like animals hibernate in this; Summer, due to the damp, cool in the evening the mosquitoes usually pillars hovering fly around here.

　　Due to the nature of water and great mobility, especially surface water flows through the area is very wide, and in general it is difficult to guarantee the water from contamination. Special attention should be paid to the water upstream of mine, if you have mine, water is likely to be polluted by mineral. If the stones in the river have abnormal tea red or yellow, it is best not to drink. If there is no fish in the river or other inhabitants, more careful, try not to drink such water.